Filtering
Spam With Netscape - Gideon T. Rasmussen
This document details how to configure Netscape 7.1 to limit the
amount of spam that reaches your inbox using junk mail controls
and mail filtering rules. Mail from your family and friends are
placed in your Inbox. Unresolved mail is moved to its own folder.

Symantec
Virus Encyclopedia
The Symantec Virus Encyclopedia provides a synopsis of the latest
virus-related threats discovered by the Symantec security team.
Many of the virus entries include free removal tools.